<template>
  <a-list :class="prefixCls" bordered :pagination="getPagination">
    <template v-for="item in getData" :key="item.id">
      <a-list-item class="list-item" @click="handleTitleClick(item)" :style="{ cursor: isTitleClickable ? 'pointer' : '' }">
        <a-list-item-meta>
          <template #title>
            <div class="title">
              <a-typography-paragraph
                style="width: 100%; margin-bottom: 0 !important"
                :delete="!!item.titleDelete"
                :ellipsis="$props.titleRows && $props.titleRows > 0 ? { rows: $props.titleRows, tooltip: !!item.title } : false"
                :content="item.title"
              />
              <div class="extra" v-if="item.extra">
                <a-tag class="tag" :color="item.color">
                  {{ item.extra }}
                </a-tag>
              </div>
            </div>
          </template>

          <template #avatar>
            <a-avatar v-if="item.avatar" class="avatar" :src="item.avatar" />
            <template v-else-if="item.priority">
              <a-avatar v-if="item.priority === PriorityTypes.L" class="avatar priority-L" title="一般消息">
                <template #icon>
                  <Icon icon="entypo:info" />
                </template>
              </a-avatar>
              <a-avatar v-if="item.priority === PriorityTypes.M" class="avatar priority-M" title="重要消息">
                <template #icon>
                  <Icon icon="bi:exclamation-lg" />
                </template>
              </a-avatar>
              <a-avatar v-if="item.priority === PriorityTypes.H" class="avatar priority-H" title="紧急消息">
                <template #icon>
                  <Icon icon="ant-design:warning-filled" />
                </template>
              </a-avatar>
            </template>
            <span v-else> {{ item.avatar }}</span>
          </template>

          <template #description>
            <div>
              <div class="description" v-if="item.description">
                <a-typography-paragraph
                  style="width: 100%; margin-bottom: 0 !important"
                  :ellipsis="$props.descRows && $props.descRows > 0 ? { rows: $props.descRows, tooltip: !!item.description } : false"
                  :content="item.description"
                />
              </div>
              <div class="datetime">
                <Time :value="item.datetime" :title="item.datetime" />
              </div>
            </div>
          </template>
        </a-list-item-meta>
      </a-list-item>
    </template>
  </a-list>
</template>
<script lang="ts">
import { computed, defineComponent, PropType, ref, watch, unref } from 'vue';
import { PriorityTypes, ListItem } from './data';
import { useDesign } from '@/hooks/web/useDesign';
import { List, Avatar, Tag, Typography } from 'ant-design-vue';
import { Time } from '@/components/Time';
import { isNumber } from '@/utils/is';
export default defineComponent({
  components: {
    [Avatar.name]: Avatar,
    [List.name]: List,
    [List.Item.name]: List.Item,
    AListItemMeta: List.Item.Meta,
    ATypographyParagraph: Typography.Paragraph,
    [Tag.name]: Tag,
    Time,
  },
  props: {
    list: {
      type: Array as PropType<ListItem[]>,
      default: () => [],
    },
    pageSize: {
      type: [Boolean, Number] as PropType<Boolean | Number>,
      default: 5,
    },
    currentPage: {
      type: Number,
      default: 1,
    },
    titleRows: {
      type: Number,
      default: 1,
    },
    descRows: {
      type: Number,
      default: 1,
    },
    onTitleClick: {
      type: Function as PropType<(Recordable) => void>,
    },
  },
  emits: ['update:currentPage'],
  setup(props, { emit }) {
    const { prefixCls } = useDesign('header-notify-list');
    const current = ref(props.currentPage || 1);
    const getData = computed(() => {
      const { pageSize, list } = props;
      if (pageSize === false) return [];
      let size = isNumber(pageSize) ? pageSize : 5;
      return list.slice(size * (unref(current) - 1), size * unref(current));
    });
    watch(
      () => props.currentPage,
      v => {
        current.value = v;
      }
    );
    const isTitleClickable = computed(() => !!props.onTitleClick);
    const getPagination = computed(() => {
      const { list, pageSize } = props;
      if (pageSize > 0 && list && list.length > pageSize) {
        return {
          total: list.length,
          pageSize,
          //size: 'small',
          current: unref(current),
          onChange(page) {
            current.value = page;
            emit('update:currentPage', page);
          },
        };
      } else {
        return false;
      }
    });

    function handleTitleClick(item: ListItem) {
      props.onTitleClick && props.onTitleClick(item);
    }

    return { prefixCls, getPagination, getData, handleTitleClick, isTitleClickable, PriorityTypes };
  },
});
</script>
<style lang="less" scoped>
@prefix-cls: ~'@{namespace}-header-notify-list';

.@{prefix-cls} {
  width: 340px;

  &::-webkit-scrollbar {
    display: none;
  }

  :deep(.ant-pagination-disabled) {
    display: inline-block !important;
  }

  &-item {
    padding: 6px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s;

    .title {
      margin-bottom: 8px;
      font-weight: normal;

      .extra {
        float: right;
        margin-top: -1.5px;
        margin-right: 0;
        font-weight: normal;

        .tag {
          margin-right: 0;
        }
      }

      .avatar {
        margin-top: 4px;
      }

      .description {
        font-size: 12px;
        line-height: 18px;
      }

      .datetime {
        margin-top: 4px;
        font-size: 12px;
        line-height: 18px;
      }
    }
  }

  .list-item {
    .priority-L,
    .priority-M,
    .priority-H {
      font-size: 12px;
    }

    .priority-L {
      background-color: #7cd1ff;
    }

    .priority-M {
      background-color: #ffa743;
    }

    .priority-H {
      background-color: #f8766c;
    }

    .description {
      font-size: 12px;
      line-height: 18px;
    }
  }
}
</style>
